NodeLookupOperation
- Removed the unused error variable
Node Lookup OP
- Removed the unused error boolean
Route Length Computation
- Before we were doing this by just adding incrementing a value everytime we get a set of nodes as the reply of a FIND_NODE or FIND_VALUE RPC
-- This may be wrong since nodes the same distance away may reply and we'll still be incrementing for both
- Created a route length checker class to properly check route lengths

ContentLookupOperation
- Added the route length check to the CLO operation

Didn't add it to the NodeLookupOperation since I'm not sure we're using it anywhere... Though it can be useful there